URTH vs VOO: Holdings Overlap
iShares · 1322 holdings · $8.3B · as of 2026-05-31
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
Holdings snapshots are 61 days apart (URTH: 2026-05-31, VOO: 2026-03-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are URTH and VOO?
iShares MSCI World ETF (URTH, by iShares) holds 1322 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 453 holdings in common, and by portfolio weight the two funds are 68.5% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 68.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 453URTH holds 1322 · VOO holds 504
- Weight in Shared Holdings
- URTH 70%·VOO 99%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in URTH
869 of 1322 positions (29.9% of the fund) are not held by VOO. Showing the top 30 by weight.
Only in VOO
51 of 504 positions (1.1% of the fund) are not held by URTH. Showing the top 30 by weight.
Sector Breakdown
| Sector | URTH | VOO |
|---|---|---|
| Information Technology | 30.3% | 32.7% |
| Financials | 15.0% | 12.4% |
| Industrials | 10.8% | 9.0% |
| Communication Services | 8.8% | 10.5% |
| Consumer Discretionary | 8.7% | 9.9% |
| Other Sectors | 24.5% | 25.3% |
| Unclassified | 1.6% | 0.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (2% of URTH, 0% of VOO).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| URTH | +3.6% | +14.1% | +23.9% | +20.4% | +11.9% | +13.3% | 1.35% |
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in URTH vs VOO →
Shared Holdings(453)
The top 10 shared positions account for 40% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 5.62% | 7.58% | 5.62% |
|---|---|---|---|
 AAPLApple Inc. COM | 5.03% | 6.66% | 5.03% |
 MSFTMicrosoft Corp. COM | 3.48% | 4.91% | 3.48% |
 AMZNAmazon.com, Inc. COM | 2.85% | 3.64% | 2.85% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.43% | 2.99% | 2.43% |
 AVGOBroadcom Inc COM | 2.21% | 2.62% | 2.21% |
 GOOGAlphabet Inc. CAP STK CL C | 2.01% | 2.40% | 2.01% |
 METAMeta Platforms, Inc., Class A | 1.51% | 2.24% | 1.51% |
 TSLATesla Inc COM | 1.35% | 1.87% | 1.35% |
 LLYEli Lilly & Co. COM | 0.97% | 1.30% | 0.97% |
 JPMJPMorgan Chase & Co. COM | 0.89% | 1.34% | 0.89% |
 BRK-BBerkshire Hathaway, Inc., Class B | 0.71% | 1.57% | 0.71% |
 MUMicron Technology Inc. COM | 1.20% | 0.68% | 0.68% |
 XOMExxon Mobil Corp. COM | 0.67% | 1.27% | 0.67% |
 VVisa, Inc., Class A | 0.60% | 0.89% | 0.60% |
 JNJJohnson & Johnson COM | 0.59% | 1.05% | 0.59% |
 AMDAdvanced Micro Devices Inc. COM | 0.92% | 0.59% | 0.59% |
 WMTWalmart Inc COM | 0.56% | 0.97% | 0.56% |
 CSCOCisco Systems, Inc. COM | 0.52% | 0.55% | 0.52% |
 COSTCostco Wholesale Corporation COM | 0.47% | 0.79% | 0.47% |
 MAMasterCard Incorporated CL A | 0.46% | 0.73% | 0.46% |
 CATCaterpillar Inc COM | 0.45% | 0.59% | 0.45% |
 LRCXLam Research Corporation COM NEW | 0.44% | 0.48% | 0.44% |
 ORCLOracle Corp. COM | 0.43% | 0.45% | 0.43% |
 ABBVAbbVie Inc. COM | 0.42% | 0.69% | 0.42% |
Showing the top 250 of 453 shared holdings by overlap weight.
Frequently Asked Questions
How much do URTH and VOO overlap?
URTH and VOO overlap by 68.5% of portfolio weight. They share 453 holdings (URTH holds 1322 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both URTH and VOO?
The two portfolios are 68.5% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of URTH and VOO?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 40% of the total overlap.
What does URTH own that VOO doesn't?
869 positions (29.9% of URTH) are unique to URTH, led by ASML, HSBA and ROP. In the other direction, 51 positions (1.1% of VOO) are unique to VOO.